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S1 Space

Space topic for S1 Bella

QuestionAnswer
What is a moon? A natural satelite that orbits a planet
What is then sun? It is a star
What is a solar system? All the planets that orbit one star
What is a planet? A large structure that orbits a star.
What is a galaxy? A collection of stars and their solar systems.
What is a star? A burning ball of gas.
What is an exoplanet? Any planet outside our solar system.
What are dwarf planets? Objects that are too small to be planets that orbitn the sun.
Why are there different seasons on Earth? Because Earth is tilted on its axis causing the north and south hemispheres to be closer or further from the sun at different times of the year.
How long does it take for the moon to orbit Earth? 27.3 days
How long does it take for the Earth to orbit the sun? 365.25 says
What planet is third from then sun? Earth
What planet is 5th from the sun? Jupiter
How many high tides are there a day? 2
What object is mainly responsible for the tides? The moon
What causes the high tide at the side of the earth closest to the moon? The pull of the moon's gravity on the water
What causes the high tide at the side of the earth opposite to the moon? The pull of the moon's garvity on Earth.
Which is bigger, a galaxy or a sol;arsystem A galaxy
Name a dwarf planet Pluto
Name a hazzard of space flight. Any from radiiation, re-entry, oxygen shortage, temperature changes, explosion.
What is the name of our Galaxy? The Milky Way
What is the main reason for moon craters not disappearing over time? Unlike on Earth, the moon has no weather to cause their erosion.
What causes the formation of craters on the moon or on Earth? Being struch by meteors or asteroids.
What is the 6th planet from the Sun? Saturn
Created by: nscobie
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